操作失败


操作描述:
  • System.Data.SqlClient.SqlException (0x80131904): 在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: TCP Provider, error: 0 - 等待的操作过时。) ---> System.ComponentModel.Win32Exception (0x80004005): 等待的操作过时。 在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) 在 System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) 在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) 在 System.Data.SqlClient.SqlConnection.Open() 在 Benmi.Dsystem.DALSQLServer.DBHelperWH.ExecuteScalar(CommandType cmdType, String cmdText, SqlParameter[] cmdParms) 在 Benmi.Dsystem.DALSQLServer.DBHelperWH.DataNum_Whoishistory(String Filter) 在 Benmi.Dsystem.Web.WhoisHistory.Index.BindR(Repeater RP, Int32 page, Int32 pagep, String DNameN) 在 Benmi.Dsystem.Web.WhoisHistory.Index.GetReverseWhois_(Int32 page, Int32 pagep, String DName) 在 Benmi.Dsystem.Web.WhoisHistory.Index.Page_Load(Object sender, EventArgs e) ClientConnectionId:86b115f9-b2ec-4561-96c3-c36ccc59ab2d Error Number:258,State:0,Class:20
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